Quantifying the Vestibulo-Ocular Reflex with Video-Oculography: Nature and Frequency of Artifacts

被引：134

作者：

Mantokoudis, Georgios ^{[1
]}

Tehrani, Ali S. Saber ^{[1
]}

Kattah, Jorge C. ^{[3
]}

Eibenberger, Karin ^{[2
]}

Guede, Cynthia I. ^{[3
]}

Zee, David S. ^{[1
]}

Newman-Toker, David E. ^{[1
,2
]}

机构：

[1] Johns Hopkins Univ, Sch Med, Dept Neurol, Baltimore, MD 21287 USA

[2] Johns Hopkins Univ, Sch Med, Dept Otolaryngol Head & Neck Surg, Baltimore, MD 21287 USA

[3] Univ Illinois, Coll Med, Peoria, IL 61656 USA

来源：

AUDIOLOGY AND NEURO-OTOLOGY | 2015年 / 20卷 / 01期

基金：

瑞士国家科学基金会;

关键词：

Eye movement measurements; Artifacts; Vertigo; Vestibular neuritis; Stroke; HEAD IMPULSE TEST; SEMICIRCULAR-CANAL FUNCTION; VESTIBULAR NEURITIS; MENIERES-DISEASE; SEARCH-COIL; TESTS; DIAGNOSIS; ACCURACY; SACCADES; VERTIGO;

D O I：

10.1159/000362780

中图分类号：

R36 [病理学]; R76 [耳鼻咽喉科学];

学科分类号：

100104 ; 100213 ;

摘要：

Video-oculography devices are now used to quantify the vestibulo-ocular reflex (VOR) at the bedside using the head impulse test (HIT). Little is known about the impact of disruptive phenomena (e.g. corrective saccades, nystagmus, fixation losses, eye-blink artifacts) on quantitative VOR assessment in acute vertigo. This study systematically characterized the frequency, nature, and impact of artifacts on HIT VOR measures. From a prospective study of 26 patients with acute vestibular syndrome (16 vestibular neuritis, 10 stroke), we classified findings using a structured coding manual. Of 1,358 individual HIT traces, 72% had abnormal disruptive saccades, 44% had at least one artifact, and 42% were uninterpretable. Physicians using quantitative recording devices to measure head impulse VOR responses for clinical diagnosis should be aware of the potential impact of disruptive eye movements and measurement artifacts. (c) 2014 S. Karger AG, Basel

引用

页码：39 / 50

页数：12

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